11.5g sachet of genuine Lager yeast (Saccharomyces carlbergensis). Want to make a genuine Lager or Pilsener beer ? Use a genuine Lager yeast ! This strain is widely used by Western European commercial breweries and will produce the best of its Lager flavours when fermented at low temperatures (10?C - 14?C) yet producing very good beers at room temperature. Please note: DCL Yeast provide useful information about their yeasts on their website. Use this link http://www.dclyeast.co.uk/DCL_Main/main_brewing/homebrew_index.htm to reach the appropriate area.